diff options
Diffstat (limited to 'activerecord')
5 files changed, 39 insertions, 6 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 53b669dc72..2c17abbe26 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,16 @@ +* Delegate `empty?`, `none?` and `one?`. Now they can be invoked as model class methods. + + Example: + + # When no record is found on the table + Topic.empty? # => true + Topic.none? # => true + + # When only one record is found on the table + Topic.one? # => true + + *Kenta Shirai* + * The form builder now properly displays values when passing a proc form default to the attributes API. @@ -538,13 +551,13 @@ * Add option to index errors in nested attributes For models which have nested attributes, errors within those models will - now be indexed if :index_errors is specified when defining a + now be indexed if `:index_errors` is specified when defining a has_many relationship, or if its set in the global config. Example: class Guitar < ActiveRecord::Base - has_many :tuning_pegs + has_many :tuning_pegs, index_errors: true accepts_nested_attributes_for :tuning_pegs end diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index e13fe33b85..77d17fc975 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -504,7 +504,7 @@ module ActiveRecord # # == Customizing the query # - # \Associations are built from <tt>Relation</tt>s, and you can use the Relation syntax + # \Associations are built from <tt>Relation</tt> objects, and you can use the Relation syntax # to customize them. For example, to add a condition: # # class Blog < ActiveRecord::Base diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index a401310ee0..020d9bbdca 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -1051,9 +1051,9 @@ module ActiveRecord end # Adds timestamps (+created_at+ and +updated_at+) columns to +table_name+. - # Additional options (like <tt>null: false</tt>) are forwarded to #add_column. + # Additional options (like +:null+) are forwarded to #add_column. # - # add_timestamps(:suppliers, null: false) + # add_timestamps(:suppliers, null: true) # def add_timestamps(table_name, options = {}) options[:null] = false if options[:null].nil? diff --git a/activerecord/lib/active_record/querying.rb b/activerecord/lib/active_record/querying.rb index de5b42e987..4e32d73001 100644 --- a/activerecord/lib/active_record/querying.rb +++ b/activerecord/lib/active_record/querying.rb @@ -1,6 +1,6 @@ module ActiveRecord module Querying - delegate :find, :take, :take!, :first, :first!, :last, :last!, :exists?, :any?, :many?, to: :all + delegate :find, :take, :take!, :first, :first!, :last, :last!, :exists?, :any?, :many?, :empty?, :none?, :one?, to: :all delegate :second, :second!, :third, :third!, :fourth, :fourth!, :fifth, :fifth!, :forty_two, :forty_two!, :third_to_last, :third_to_last!, :second_to_last, :second_to_last!, to: :all delegate :first_or_create, :first_or_create!, :first_or_initialize, to: :all delegate :find_or_create_by, :find_or_create_by!, :find_or_initialize_by, to: :all diff --git a/activerecord/test/cases/scoping/named_scoping_test.rb b/activerecord/test/cases/scoping/named_scoping_test.rb index acba97bbb8..96c94eefa0 100644 --- a/activerecord/test/cases/scoping/named_scoping_test.rb +++ b/activerecord/test/cases/scoping/named_scoping_test.rb @@ -544,4 +544,24 @@ class NamedScopingTest < ActiveRecord::TestCase assert_equal 1, SpecialComment.where(body: 'go crazy').created.count end + def test_model_class_should_respond_to_empty + assert !Topic.empty? + Topic.delete_all + assert Topic.empty? + end + + def test_model_class_should_respond_to_none + assert !Topic.none? + Topic.delete_all + assert Topic.none? + end + + def test_model_class_should_respond_to_one + assert !Topic.one? + Topic.delete_all + assert !Topic.one? + Topic.create! + assert Topic.one? + end + end |